What Is an Investment Firm?
An investment firm is a legal person whose regular occupation or business is providing one or more investment services to third parties, or performing one or more investment activities, on a professional basis. In the UK, investment firms are regulated under the Financial Services and Markets Act 2000 (FSMA) and the FCA Handbook, with prudential requirements set by the Investment Firms Prudential Regime (IFPR).
The term covers a broad range of business models — from boutique corporate finance advisers and wealth managers to algorithmic trading firms and institutional broker-dealers. This guide explains the authorisation process, key regulatory requirements and ongoing obligations for UK investment firms.
Which Activities Require Authorisation?
The following MiFID investment services and activities require FCA authorisation:
- Reception and transmission of orders — receiving a client's order to buy or sell a financial instrument and transmitting it to another firm for execution
- Execution of orders on behalf of clients — acting to conclude agreements to buy or sell financial instruments on behalf of clients
- Dealing on own account — trading against proprietary capital in financial instruments
- Portfolio management — managing portfolios of financial instruments on a discretionary, client-by-client basis
- Investment advice — providing personal recommendations to a client regarding transactions in financial instruments
- Underwriting and placing — underwriting financial instruments and/or placing them on a firm or best efforts basis
- Operating a multilateral trading facility (MTF) or organised trading facility (OTF)
Ancillary services — such as safekeeping and administration of financial instruments, foreign exchange services related to investment services, and investment research — are not independently regulated but are subject to FCA rules when provided alongside regulated activities.
The Authorisation Process
Step 1 — Regulatory perimeter analysis. Before applying, conduct a detailed analysis of your business model against the FCA's regulatory perimeter. Identify every regulated activity you will perform and the specific financial instruments involved. Common errors include underestimating the scope of "arranging" permissions or failing to identify advisory activities embedded within broader services.
Step 2 — Business plan and financial projections. The FCA requires a comprehensive regulatory business plan covering your target clients, product range, distribution model, revenue projections and growth strategy. Financial projections must demonstrate the firm can meet its capital requirements and remain solvent for at least the first three years. The FCA will assess whether the business model is viable and sustainable without reliance on practices that could cause consumer harm.
Step 3 — Governance and personnel. Identify individuals for Senior Management Functions (SMFs) under the Senior Managers and Certification Regime (SM&CR). Key SMFs for investment firms include: - SMF1 (Chief Executive) - SMF3 (Executive Director) - SMF16 (Compliance Oversight) - SMF17 (Money Laundering Reporting Officer)
Each SMF holder must be approved by the FCA and satisfy the fit-and-proper test. The FCA assesses honesty, integrity, competence, financial soundness and qualifications.
Step 4 — Compliance framework. Design and document your compliance monitoring programme, conflicts of interest policy, complaints handling procedures, financial promotions approval process, best execution policy and order handling arrangements. For firms conducting discretionary portfolio management, you will also need an investment management agreement template and suitability assessment framework.
Step 5 — Capital and prudential requirements. Under the IFPR, determine your firm's classification: - Small and non-interconnected (SNI) firms — firms below specified thresholds (assets under management < £1.2bn, client orders handled < £100m/day, etc.) benefit from simplified prudential requirements - Non-SNI firms — larger firms must calculate capital requirements using K-factors
The permanent minimum capital requirement is: - £75,000 for firms that do not hold client money or assets and do not deal on own account - £150,000 for firms that hold client money or assets but do not deal on own account - £750,000 for firms that deal on own account
Step 6 — Submit the application. Applications are submitted via the FCA's Connect system. Include all supporting documentation: business plan, financial projections, compliance manual, governance map, SMF applications, capital adequacy calculations and specimen client agreements. The statutory determination period is six months for complete applications, but complex applications regularly take 9–12 months.
The Investment Firms Prudential Regime (IFPR)
The IFPR, effective since 1 January 2022, replaced the previous prudential framework for MiFID investment firms. Key elements include:
Own funds requirement: The own funds requirement is the highest of: - The permanent minimum requirement (£75k / £150k / £750k) - The fixed overheads requirement (one quarter of annual fixed overheads) - The K-factor requirement (for non-SNI firms)
K-factors: K-factors measure the risk of harm from a firm's activities across three categories: - Risk to Client (RtC) — K-AUM (assets under management), K-CMH (client money held), K-ASA (assets safeguarded and administered), K-COH (client orders handled) - Risk to Market (RtM) — K-NPR (net position risk) or K-CMG (clearing margin given) - Risk to Firm (RtF) — K-TCD (trading counterparty default), K-DTF (daily trading flow), K-CON (concentration risk)
ICARA process: All investment firms must conduct an Internal Capital Adequacy and Risk Assessment (ICARA) — an ongoing process to identify, monitor and manage risks to the firm, its clients and the market. The ICARA must assess whether the firm's own funds and liquid assets are adequate, considering both normal and stressed conditions.
Remuneration: The IFPR introduces remuneration requirements including a ratio between fixed and variable pay, deferral of variable remuneration for material risk takers and clawback provisions. SNI firms benefit from some exemptions.
Client Money and Assets (CASS)
Investment firms that hold client money or custody assets must comply with the FCA's Client Assets sourcebook (CASS). This is one of the most operationally complex areas of regulation and a frequent source of enforcement action. Key requirements include:
- Segregation of client money from the firm's own funds
- Daily reconciliation of client money balances
- Acknowledgement letters from banks and custodians confirming the client money/asset status
- A CASS resolution pack to facilitate orderly return of client assets if the firm fails
- Annual CASS audit by an independent auditor
Conduct of Business Requirements
Suitability and appropriateness: Firms providing investment advice or discretionary portfolio management must assess the suitability of each recommendation or investment decision for the individual client, considering their knowledge and experience, financial situation, investment objectives and risk tolerance. Firms providing execution-only services must assess appropriateness (a lighter test).
Best execution: Firms must take all sufficient steps to obtain the best possible result for clients when executing orders, considering price, costs, speed, likelihood of execution and settlement, size, nature and any other relevant consideration. Firms must publish their top five execution venues and demonstrate the quality of execution achieved.
Conflicts of interest: Firms must identify, prevent or manage conflicts of interest that could adversely affect clients. A written conflicts of interest policy must be maintained and disclosed to clients where conflicts cannot be fully prevented.
Common Application Pitfalls
- Underestimating capital requirements — particularly the fixed overheads requirement, which may exceed the permanent minimum
- Inadequate compliance resources — the FCA expects compliance to be properly resourced and not treated as a part-time function
- Weak business plans — overly optimistic revenue projections or business models dependent on a single client or revenue stream
- SM&CR gaps — failing to identify all required SMFs or appointing individuals who do not meet the fit-and-proper standard
- CASS readiness — firms planning to hold client money or assets without adequate operational infrastructure for CASS compliance
Regulatory Outlook
The FCA continues to refine the IFPR framework and has published several consultations on detailed rules. Key areas of development include: - Refinement of K-factor calculations for specific business models - Enhanced disclosure requirements for larger investment firms - Integration of sustainability risk into the ICARA process - Potential changes to the boundary between SNI and non-SNI classification
Firms should monitor FCA publications and engage with consultations to ensure they are prepared for evolving requirements.
Frequently Asked Questions
The permanent minimum capital requirement ranges from £75,000 (for firms that do not hold client money/assets and do not deal on own account) to £750,000 (for firms dealing on own account). However, the actual requirement may be higher if the fixed overheads requirement or K-factor requirement exceeds the permanent minimum. Firms should calculate all three components to determine their actual capital obligation.
Small and non-interconnected (SNI) firms are those below specified thresholds — including assets under management below £1.2 billion, client orders handled below £100 million per day and on/off balance sheet total below £100 million. SNI firms benefit from simplified prudential requirements, including exemption from K-factor calculations and reduced remuneration and disclosure obligations.
The statutory determination period is six months from submission of a complete application. In practice, most investment firm applications take 9–12 months due to information requests, interviews with proposed SMF holders and iterative discussions on the business plan and compliance framework. Pre-application engagement with the FCA can help identify issues early and reduce delays.